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xenn [34]
3 years ago
10

When a window is open, the temperature in a room falls 5ºF every 15 minutes. Before the window is opened, the temperature was ​

70ºF​ . Use the Ray tool to make a graph that shows the temperature of the room, T, after the window has been open for m minutes.
Mathematics
2 answers:
tester [92]3 years ago
7 0

Answer:

Answer:(15,65) (30,60)(45,55)

Step-by-step explanation:

Sorry for that kid that did not answer

damaskus [11]3 years ago
3 0

Answer:

Answer:(15,65) (30,60)(45,55)

Step-by-step explanation:

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What are the zeroes of f(x) = x2 + 5x + 6?
photoshop1234 [79]
Here is your answer

a) x=-2, -3

REASON :
f(x)= {x}^{2}+5x+6

= {x}^{2}+2x+3x+6

= x(x+2)+3(x+2)

= (x+2)(x+3)

To find zeroes

f(x)= 0

So,

(x+2)(x+3)=0

x=-2 or x=-3

HOPE IT IS USEFUL
5 0
3 years ago
Read 2 more answers
Write the absolute value function as a piecewise function f(x)=7|x|
Evgesh-ka [11]

Answer:

10x<9x>=-3

Step-by-step explanation:

6x +4x <-3 (5x-8>=-3

10x<-3(-3x>=-3

multiple the bracket by -3

10x<9x>-3

7 0
2 years ago
Find the diagonal of a television screen 30 inches wide by 35 inches tall.
marin [14]

Answer:

46.1 in

Step-by-step explanation:

Given data

Width= 30in

Height= 35in

To find the diagonal, we have to use the Pythagoras theorem

z^2= x^2+y^2

z^2= 30^2+ 35^2

z^2= 900+1225

z^2= 2125

z= √2125

z= 46.09

Hence the diagonal of the TV is 46.1 in

4 0
3 years ago
write the equation in slope-intercept form of the line that has a slope of -3 and contains the point (4, -5).
Novosadov [1.4K]
You can answer this question by plugging the given values into point-slope form, which is y - y_{1} = m (x - x_{1}). M will represent slope and x_{1} and y_{1} will represent the x and y coordinates.

   y - y_{1} = m (x - x_{1})   Substitute in the values
y - (-5) = 4 (m - 4)   Cancel out the -(-5)
   y + 5 = 4 (m - 4)   Use the Distributive Property
   y + 5 = 4m - 16    Subtract 5 from both sides
       
         y = 4m - 21
 

3 0
3 years ago
How many 2/3 are in 3 1/3
NeTakaya

Answer: 5

Step-by-step explanation: baddabing baddaboom

8 0
3 years ago
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